metamorphic
Quartzite
Metamorphic Quartzite
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically white, gray, or brown, with a vitreous to greasy luster and a non-foliated massive crystal structure.
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Physical properties
Hardness of 7 on the Mohs scale, typically white, gray, or brown, with a vitreous to greasy luster and a non-foliated massive crystal structure.
Formation & geological history
Formed from quartz-rich sandstone subjected to intense heat and pressure during regional metamorphism.
Uses & applications
Used widely in construction, decorative aggregates, wall cladding, and high-end kitchen countertops.
Geological facts
Quartzite is extremely durable and resistant to weathering, often forming prominent mountain ridges.
Field identification & locations
Can be identified in the field by its inability to be scratched by steel and lack of acid reaction; commonly found in mountain belts worldwide.
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